Finding the Third Proportional to 240,411 and 374,224.50

Step by Step Solution

1. Step 1: Write the proportion equation
   240,411 : 374,224.50 = 374,224.50 : x
2. Step 2: Convert to fraction form
   240,411/374,224.50 = 374,224.50/x
3. Step 3: Cross multiply
   240,411x = 374,224.50 × 374,224.50
4. Step 4: Simplify right side
   240,411x = 140,043,976,400.25
5. Step 5: Solve for x
   x = 140,043,976,400.25/240,411
6. Step 6: Final answer
   x = 582,519.00